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<?php |
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namespace Fenrizbes\CropBundle\Form\Type; |
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use Symfony\Component\Form\AbstractType; |
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use Symfony\Component\Form\FormBuilderInterface; |
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use Symfony\Component\Form\FormInterface; |
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use Symfony\Component\Form\FormView; |
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use Symfony\Component\OptionsResolver\OptionsResolverInterface; |
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use Symfony\Component\Validator\Constraints\Image; |
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class CroppableType extends AbstractType |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'croppable'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setDefaultOptions(OptionsResolverInterface $resolver) |
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{ |
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$resolver |
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->setOptional(array( |
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'width', |
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'height', |
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'instances', |
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'validate', |
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'max_canvas_width', |
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'max_canvas_height' |
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)) |
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->setDefaults(array( |
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'required' => false, |
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'validate' => true, |
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'max_canvas_width' => 640, |
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'max_canvas_height' => 480 |
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)) |
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; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildForm(FormBuilderInterface $builder, array $options) |
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{ |
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unset($options['max_canvas_width']); |
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unset($options['max_canvas_height']); |
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$builder |
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->add('image', 'uploadable', array( |
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'label' => $options['label'], |
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'file_constraints' => $this->getConstraints($options) |
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)) |
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->add('coordinates', 'crop_coordinates', $options) |
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; |
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} |
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/** |
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* Creates and returns constraints for a file field |
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* |
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* @param $options |
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* @return array |
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*/ |
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public function getConstraints($options) |
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{ |
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$constraints = array(); |
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if ($options['validate']) { |
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$constraints[] = new Image(array( |
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'mimeTypes' => array( |
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'image/gif', |
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'image/png', |
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'image/jpg', |
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'image/jpeg' |
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), |
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'minWidth' => $this->calcMin('width', $options), |
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'minHeight' => $this->calcMin('height', $options) |
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)); |
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} |
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return $constraints; |
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} |
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/** |
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* Calculates and returns values for the size constraint |
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* |
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* @param $option |
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* @param array $options |
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* @return int |
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*/ |
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public function calcMin($option, array $options) |
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{ |
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$min = (isset($options[$option]) ? (int)$options[$option] : 0); |
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if (isset($options['instances']) && is_array($options['instances'])) { |
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foreach ($options['instances'] as $instance) { |
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$value = (isset($instance[$option]) ? (int)$instance[$option] : 0); |
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if ($value > $min) { |
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$min = $value; |
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} |
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} |
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} |
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return $min; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildView(FormView $view, FormInterface $form, array $options) |
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{ |
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$view->vars['max_canvas_width'] = (int)$options['max_canvas_width']; |
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$view->vars['max_canvas_height'] = (int)$options['max_canvas_height']; |
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$view->vars['validate'] = $options['validate']; |
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$view->vars['minimums'] = array( |
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'width' => $this->calcMin('width', $options), |
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'height' => $this->calcMin('height', $options) |
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); |
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} |
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} |
it-blaster /
crop-bundle
